Search a number
-
+
302530530 = 23510084351
BaseRepresentation
bin10010000010000…
…011111111100010
3210002021010212110
4102002003333202
51104421434110
650004140150
710332316131
oct2202037742
9702233773
10302530530
11145852735
1285397656
134a8a5863
142c271918
151b85da20
hex12083fe2

302530530 has 16 divisors (see below), whose sum is σ = 726073344. Its totient is φ = 80674800.

The previous prime is 302530511. The next prime is 302530549. The reversal of 302530530 is 35035203.

It is an interprime number because it is at equal distance from previous prime (302530511) and next prime (302530549).

It is a junction number, because it is equal to n+sod(n) for n = 302530497 and 302530506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5042146 + ... + 5042205.

It is an arithmetic number, because the mean of its divisors is an integer number (45379584).

Almost surely, 2302530530 is an apocalyptic number.

302530530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

302530530 is an abundant number, since it is smaller than the sum of its proper divisors (423542814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302530530 is a wasteful number, since it uses less digits than its factorization.

302530530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10084361.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 302530530 is about 17393.4047845728. The cubic root of 302530530 is about 671.3099270627.

Adding to 302530530 its reverse (35035203), we get a palindrome (337565733).

The spelling of 302530530 in words is "three hundred two million, five hundred thirty thousand, five hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 10084351 20168702 30253053 50421755 60506106 100843510 151265265 302530530